AXS100 (CMB) Single speed 100mm fan, no pull cord. (Model supplied may differ from generic image)
• 100mm axial flow fan
• Suitable for wall and ceiling installations with up to 3m of 100mm ducting
• Various control options including SELV
• Built in guide vanes to improve airflow
• Anti-backdraught shutters
• Clever spigot strengtheners to prevent crushing when attaching flexible ducting
• Stylish design for discreet finish
http://www.greenwood.co.uk/media/pdfs/AXS100 NB data sheet.pdf